Heating apparatus



FIG. 1 is a view of the front face of the heating apparatus

FIG. 2 is a view of the reverse face of the heating apparatus

FIG. 3 is a view of the right face of the heating apparatus

FIG. 4 is a view of the left face of the heating apparatus

FIG. 5 is a view of the top face of the heating apparatus

FIG. 6 is a view of the bottom face of the heating apparatus; and,

FIG. 7 is an isometric view of the heating apparatus. 

The ornamental design for a heating apparatus, as shown and described. 